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105530255 = 521106051
BaseRepresentation
bin1100100101001…
…00001110001111
321100120111021222
412102210032033
5204003432010
614245513555
72420664245
oct622441617
9240514258
10105530255
1154629496
122b4128bb
1318b2ba4c
1410030795
1593e8355
hex64a438f

105530255 has 4 divisors (see below), whose sum is σ = 126636312. Its totient is φ = 84424200.

The previous prime is 105530239. The next prime is 105530263. The reversal of 105530255 is 552035501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105530255 - 24 = 105530239 is a prime.

It is a super-2 number, since 2×1055302552 = 22273269440730050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10553021 + ... + 10553030.

It is an arithmetic number, because the mean of its divisors is an integer number (31659078).

Almost surely, 2105530255 is an apocalyptic number.

105530255 is a deficient number, since it is larger than the sum of its proper divisors (21106057).

105530255 is an equidigital number, since it uses as much as digits as its factorization.

105530255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106056.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 105530255 is about 10272.7919768678. The cubic root of 105530255 is about 472.5622175752.

Adding to 105530255 its reverse (552035501), we get a palindrome (657565756).

The spelling of 105530255 in words is "one hundred five million, five hundred thirty thousand, two hundred fifty-five".

Divisors: 1 5 21106051 105530255